(Physiology)a regulatory substance produced in an organism and transported in tissue fluids such as blood or sap to stimulate specific cells or tissues into action (生理)荷尔蒙,激素 ■a synthetic substance with a similar effect 人造激素 ■(hormones)a person's sex hormones as held to influence behaviour or mood 性激素
派生 hormonal adjective 语源
early 20th cent.: from Greek hormōn, present participle of horman 'impel, set in motion'